On 06/02, Peter Zijlstra wrote:
>
> On Tue, 2009-06-02 at 17:55 +0200, Oleg Nesterov wrote:
> > On 06/02, tip-bot for Peter Zijlstra wrote:
> > >
> > > +static u32 perf_counter_pid(struct perf_counter *counter, struct task_struct *p)
> > > +{
> > > + /*
> > > + * only top level counters have the pid namespace they were created in
> > > + */
> > > + if (counter->parent)
> > > + counter = counter->parent;
> > > +
> > > + return task_tgid_nr_ns(p, counter->ns);
> > > +}
> > > +
> > > +static u32 perf_counter_tid(struct perf_counter *counter, struct task_struct *p)
> > > +{
> > > + /*
> > > + * only top level counters have the pid namespace they were created in
> > > + */
> > > + if (counter->parent)
> > > + counter = counter->parent;
> > > +
> > > + return task_pid_nr_ns(p, counter->ns);
> >
> > Perhaps this should be
> >
> > return task_pid_nr_ns(p->group_leader);
> >
> > ?
>
> That seems to be exactly what task_tgid_nr_ns() does.
Ah, yes, I didn't notice _tgid_ above.
Oleg.
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